2001010323231 has 40 divisors (see below), whose sum is σ = 3011634221904. Its totient is φ = 1323998058240.

The previous prime is 2001010323223. The next prime is 2001010323233. The reversal of 2001010323231 is 1323230101002.

It is not a de Polignac number, because 2001010323231 - 2³ = 2001010323223 is a prime.

It is a super-2 number, since 2×2001010323231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001010323233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11114376 + ... + 11292978.

Almost surely, 2^{2001010323231} is an apocalyptic number.

2001010323231 is a deficient number, since it is larger than the sum of its proper divisors (1010623898673).

2001010323231 is a wasteful number, since it uses less digits than its factorization.

2001010323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179653 (or 179644 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2001010323231 its reverse (1323230101002), we get a palindrome (3324240424233).

The spelling of 2001010323231 in words is "two trillion, one billion, ten million, three hundred twenty-three thousand, two hundred thirty-one".